The LinkIn Ride Pal by Sena is an integrated Bluetooth communicator for the LS2 Challenger HPFC, Challenger Carbon, Metro EVO P/J, Rapid, Rapid Mini, Spitfire, Sphere, Sphere Lux, Stream EVO, Twister 2, Valiant, and Vortex Helmet. The system consists of speakers, a mic and a 3-button control panel that discretely installs on the chin strap for seamless Bluetooth integration. 
Talk with your friends, listen to music or follow directions from a GPS app. 
Features:
Will pair with any other SENA system, such as 20S, 10S and 10C
Pair with up to three other systems at one time for intercom
Intercom with non Sena units using Universal Intercom Mode
Has an LRP device manager to update firmware online
Can use multipoint pairing for second mobile phone, GPS, SENA SR10, etc.
Play A2DP music
Share music via intercom using Bluetooth
7 hour battery life during use
2.5 hour charging time
Compatible Helmets:
LS2 Assault
LS2 Challenger HPFC
LS2 Challenger Carbon
LS2 Horizon
LS2 Metro EVO P/J
LS2 Rapid
LS2 Rapid Mini
LS2 Spitfire
LS2 Sphere
LS2 Sphere Lux
LS2 Stream EVO
LS2 Twister 2
LS2 Valiant
LS2 Valiant 2
LS2 Vortex
LS2 Verso